feedbackTimer, timerHandle, and pollHandle are all cleared in onUnmounted. Test confirms cleanup pattern works correctly. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
feedbackTimer, timerHandle, and pollHandle are all cleared in onUnmounted. Test confirms cleanup pattern works correctly. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>